Severe wind has wreaked havoc in Whyalla, blowing off the roof of a house in Mitchell Street. State Emergency Services were on the scene of the home, which appears to be burnt out and abandoned for some time. A trampoline was also sighted stuck in a tree. A tree near the Westlands Hotel was knocked over and a verandah was also damaged, according to the SES. Wind gusts of up to 76 km/hr have been recorded in Whyalla, as well as sustained winds of 50 km/hr.